Robert Glennon and Andrew M. Reeves. Solar Energy's Cloudy Future(PDF). Arizona Journal of Environmental Law & Policy. 2010, 91: 106. (原始内容(PDF)存档于2011-08-11).
Robert Glennon and Andrew M. Reeves. Solar Energy's Cloudy Future(PDF). Arizona Journal of Environmental Law & Policy. 2010, 91: 106. (原始内容(PDF)存档于2011-08-11).